<%@ page import="java.util.Vector" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="java.util.Calendar" %><%--
  Created by IntelliJ IDEA.
  User: 谢新宇
  Date: 2024/9/20
  Time: 14:53
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <meta http-equiv="content-type"content="text/html";charset="UTF-8">
    <title>使用application内置对象--checkMessage</title>
</head>
<body bgcolor="#abcdef">
<%!Vector<String>v = new Vector<String>();
            int i = 0;%>
<%
    String datetime = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").format(Calendar.getInstance().getTime());//获取系统时间
%>
<%
  request.setCharacterEncoding("UTF-8");
  String name =request.getParameter("name");
  String title = request.getParameter("title");
  String message = request.getParameter("message");
%>
<%
    if (name == null ||"".equals(name.trim())){
        //trim()主要解决里面只有空格的问题
        name = "网友"+(int)(Math.random()*100000 + 10000);
    }
    if (title == null ||"".equals(title.trim())){
    title= "无";
    }
    if (message == null ||"".equals(message.trim())){
        message = "无";
    }
%>
<%
    i++;
    String str = "第" +"<span class=span0>" + i + "</span>"+"楼"
    +".<span class =span1>留言人:</span>"+ name +".<span class = span2>标题:</span>"+title
    +".<span class=span3>内容:</span><br>" +message
    +".<span class=class=span4>时间:</span>"+datetime+"<hr>";
    v.add(str);
    application.setAttribute("message",v);
%>
留言成功.
<a href="inputMessage.jsp">返回留言板</a>
        < /body>
        </html>
